Description
An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. Invalid input to the function xmlrpc_decode() can lead to an invalid memory access (heap out of bounds read or read after free). This is related to xml_elem_parse_buf in ext/xmlrpc/libxmlrpc/xml_element.c.
Remediation
References
Related Vulnerabilities
Envoy Proxy Memory Allocation with Excessive Size Value Vulnerability (CVE-2026-49975)
MediaWiki Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2024-40603)
WordPress Plugin Easy Digital Downloads Attach Accounts to Orders Cross-Site Scripting (2.0.1)
WordPress Plugin Portfolio Gallery-Photo Gallery Cross-Site Scripting (2.1.10)